1. GAJWANI SCHOOLS & COLLEGES
CONSTITUENTS OF DIET
Q1 Answer the following questions in one sentence. 1 Which organ performs the function to anchor the plant in to the soil?
GAJWANI SCHOOLS & COLLEGES
CH 3 STD 7 SCIENCE SEM 1 WEEK 2 DAY 2

2. GAJWANI SCHOOLS & COLLEGES
CONSTITUENTS OF DIET
ANS. Root 2 What are absorbed from the soil through the roots of a plant?
GAJWANI SCHOOLS & COLLEGES
CH 3 STD 7 SCIENCE SEM 1 WEEK 2 DAY 2

3. GAJWANI SCHOOLS & COLLEGES
CONSTITUENTS OF DIET
ANS. Water and minerals are absorbed. 3 What are stilt roots?
GAJWANI SCHOOLS & COLLEGES
CH 3 STD 7 SCIENCE SEM 1 WEEK 2 DAY 2

4. GAJWANI SCHOOLS & COLLEGES
CONSTITUENTS OF DIET
ANS. In some plants roots are seen on stem , which give mechanical support to the plant. Such roots are known as stilt roots. .
GAJWANI SCHOOLS & COLLEGES
CH 3 STD 7 SCIENCE SEM 1 WEEK 2 DAY 2

5. GAJWANI SCHOOLS & COLLEGES
CONSTITUENTS OF DIET
4 Which gas makes supernatant of limewater milky?
GAJWANI SCHOOLS & COLLEGES
CH 3 STD 7 SCIENCE SEM 1 WEEK 2 DAY 2

6. GAJWANI SCHOOLS & COLLEGES
CONSTITUENTS OF DIET
ANS. Carbon dioxide gas 5 Give five examples of underground stem.
GAJWANI SCHOOLS & COLLEGES
CH 3 STD 7 SCIENCE SEM 1 WEEK 2 DAY 2

7. GAJWANI SCHOOLS & COLLEGES
CONSTITUENTS OF DIET
Ans. Potato , ginger , turmeric ,
GAJWANI SCHOOLS & COLLEGES
CH 3 STD 7 SCIENCE SEM 1 WEEK 2 DAY 2

8. GAJWANI SCHOOLS & COLLEGES
CONSTITUENTS OF DIET
6 Which gas is utilized and which gas is set free in the process of respiration?
GAJWANI SCHOOLS & COLLEGES
CH 3 STD 7 SCIENCE SEM 1 WEEK 2 DAY 2

9. GAJWANI SCHOOLS & COLLEGES
CONSTITUENTS OF DIET
ANS. Oxygen is utilized and carbon dioxide gas is set free .
GAJWANI SCHOOLS & COLLEGES
CH 3 STD 7 SCIENCE SEM 1 WEEK 2 DAY 2

10. GAJWANI SCHOOLS & COLLEGES
CONSTITUENTS OF DIET
7 In which plants stem perform a function of food synthesis?
GAJWANI SCHOOLS & COLLEGES
CH 3 STD 7 SCIENCE SEM 1 WEEK 2 DAY 2

11. GAJWANI SCHOOLS & COLLEGES
CONSTITUENTS OF DIET
ANS. Opuntia 8 What are small pores like structure called?
GAJWANI SCHOOLS & COLLEGES
CH 3 STD 7 SCIENCE SEM 1 WEEK 2 DAY 2

12. GAJWANI SCHOOLS & COLLEGES
CONSTITUENTS OF DIET
Ans. Small pores like structures occuring on the surface of the plant called STOMATA
GAJWANI SCHOOLS & COLLEGES
CH 3 STD 7 SCIENCE SEM 1 WEEK 2 DAY 2

13. GAJWANI SCHOOLS & COLLEGES
CONSTITUENTS OF DIET
9 Write names of components essential for the process of photosynthesis.
GAJWANI SCHOOLS & COLLEGES
CH 3 STD 7 SCIENCE SEM 1 WEEK 2 DAY 2

14. GAJWANI SCHOOLS & COLLEGES
CONSTITUENTS OF DIET
ANS. Sunlight, carbon dioxide, chloroplast and water are essential for the process of photosynthesis.
GAJWANI SCHOOLS & COLLEGES
CH 3 STD 7 SCIENCE SEM 1 WEEK 2 DAY 2

15. GAJWANI SCHOOLS & COLLEGES
CONSTITUENTS OF DIET
10 Give two examples of food storing leaf.
GAJWANI SCHOOLS & COLLEGES
CH 3 STD 7 SCIENCE SEM 1 WEEK 2 DAY 2